diff options
Diffstat (limited to 'tests/ui/variance/variance-iterators-in-libcore.rs')
-rw-r--r-- | tests/ui/variance/variance-iterators-in-libcore.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/variance/variance-iterators-in-libcore.rs b/tests/ui/variance/variance-iterators-in-libcore.rs new file mode 100644 index 000000000..a542e44d5 --- /dev/null +++ b/tests/ui/variance/variance-iterators-in-libcore.rs @@ -0,0 +1,10 @@ +// run-pass + +#![allow(dead_code)] + +use std::iter::{Fuse, Zip}; + +fn fuse_covariant<'a, I>(iter: Fuse<&'static I>) -> Fuse<&'a I> { iter } +fn zip_covariant<'a, A, B>(iter: Zip<&'static A, &'static B>) -> Zip<&'a A, &'a B> { iter } + +fn main() { } |